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Jun 17th, 2019
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  1. int pin[4]={5,6,7,8};
  2. int out[4][4]={{1,0,0,0},{0,1,0,0},{0,0,1,0},{0,0,0,1}};
  3. int dt=5 ;//delay time
  4. void setup() {
  5. for(int i=0;i<4;i++)
  6. pinMode( pin[i] , OUTPUT);
  7. }
  8.  
  9. void loop() {
  10. for (int i=0;i<4;i++)
  11. {
  12. for(int j=0;j<4;j++) //四支腳分別送一次
  13. {
  14. digitalWrite(pin[j],out[i][j]);
  15. }
  16. delay(dt);
  17. }
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